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|
package crypto
import (
"testing"
)
const wrongTestContext = "wrong-context"
var wrongPassword = []byte("wrong-password")
func TestDecryptWrongKey(t *testing.T) {
for _, material := range testMaterialForProfiles {
t.Run(material.profileName, func(t *testing.T) {
encHandle, _ := material.pgp.Encryption().
Recipients(material.keyRingTestPublic).
SigningKeys(material.keyRingTestPrivate).
New()
decHandle, _ := material.pgp.Decryption().
DecryptionKey(material.keyWrong).
New()
pgpMessage, err := encHandle.Encrypt([]byte(testMessage))
if err != nil {
t.Fatal(err)
}
if _, err = decHandle.Decrypt(pgpMessage.Bytes(), Bytes); err == nil {
t.Fatal("should not decrypt with wrong key")
}
})
}
}
func TestDecryptWrongPassword(t *testing.T) {
for _, material := range testMaterialForProfiles {
t.Run(material.profileName, func(t *testing.T) {
encHandle, _ := material.pgp.Encryption().
Password(password).
New()
decHandle, _ := material.pgp.Decryption().
Password(wrongPassword).
New()
pgpMessage, err := encHandle.Encrypt([]byte(testMessage))
if err != nil {
t.Fatal(err)
}
if _, err = decHandle.Decrypt(pgpMessage.Bytes(), Bytes); err == nil {
t.Fatal("should not decrypt with wrong password")
}
})
}
}
func TestDecryptWrongSessionKey(t *testing.T) {
for _, material := range testMaterialForProfiles {
t.Run(material.profileName, func(t *testing.T) {
wrongSessionKeyBytes := make([]byte, len(material.testSessionKey.Key))
copy(wrongSessionKeyBytes, material.testSessionKey.Key)
wrongSessionKeyBytes[0] += 1
wrongSessionKey := NewSessionKeyFromToken(wrongSessionKeyBytes, material.testSessionKey.Algo)
encHandle, _ := material.pgp.Encryption().
SessionKey(material.testSessionKey).
New()
decHandle, _ := material.pgp.Decryption().
SessionKey(wrongSessionKey).
New()
pgpMessage, err := encHandle.Encrypt([]byte(testMessage))
if err != nil {
t.Fatal(err)
}
if _, err = decHandle.Decrypt(pgpMessage.Bytes(), Bytes); err == nil {
t.Fatal("Should not decrypt with wrong session key")
}
})
}
}
func TestDecryptVerifyWrongKey(t *testing.T) {
for _, material := range testMaterialForProfiles {
t.Run(material.profileName, func(t *testing.T) {
encHandle, _ := material.pgp.Encryption().
Recipients(material.keyRingTestPublic).
SigningKey(material.keyWrong).
New()
decHandle, _ := material.pgp.Decryption().
DecryptionKeys(material.keyRingTestPrivate).
VerificationKeys(material.keyRingTestPublic).
New()
testVerificationFails(
t,
encHandle,
decHandle,
"Signature verification must fail with wrong key",
)
})
}
}
func TestDecryptVerifyWrongContext(t *testing.T) {
for _, material := range testMaterialForProfiles {
t.Run(material.profileName, func(t *testing.T) {
encHandle, _ := material.pgp.Encryption().
Recipients(material.keyRingTestPublic).
SigningKeys(material.keyRingTestPrivate).
SigningContext(NewSigningContext(testContext, true)).
New()
decHandle, _ := material.pgp.Decryption().
DecryptionKeys(material.keyRingTestPrivate).
VerificationKeys(material.keyRingTestPublic).
VerificationContext(NewVerificationContext(wrongTestContext, true, 0)).
New()
testVerificationFails(
t,
encHandle,
decHandle,
"Signature verification must fail with wrong context",
)
})
}
}
func TestDecryptVerifyWrongContextMissing(t *testing.T) {
for _, material := range testMaterialForProfiles {
t.Run(material.profileName, func(t *testing.T) {
encHandle, _ := material.pgp.Encryption().
Recipients(material.keyRingTestPublic).
SigningKeys(material.keyRingTestPrivate).
SigningContext(NewSigningContext(testContext, true)).
New()
decHandle, _ := material.pgp.Decryption().
DecryptionKeys(material.keyRingTestPrivate).
VerificationKeys(material.keyRingTestPublic).
New()
testVerificationFails(
t,
encHandle,
decHandle,
"Signature verification must fail with no context",
)
})
}
}
func TestDecryptVerifyNoContextButRequired(t *testing.T) {
for _, material := range testMaterialForProfiles {
t.Run(material.profileName, func(t *testing.T) {
encHandle, _ := material.pgp.Encryption().
Recipients(material.keyRingTestPublic).
SigningKeys(material.keyRingTestPrivate).
New()
decHandle, _ := material.pgp.Decryption().
DecryptionKeys(material.keyRingTestPrivate).
VerificationKeys(material.keyRingTestPublic).
VerificationContext(NewVerificationContext(wrongTestContext, true, 0)).
New()
testVerificationFails(
t,
encHandle,
decHandle,
"Signature verification must fail with no context",
)
})
}
}
func TestDecryptVerifyNoCriticalContext(t *testing.T) {
for _, material := range testMaterialForProfiles {
t.Run(material.profileName, func(t *testing.T) {
encHandle, _ := material.pgp.Encryption().
Recipients(material.keyRingTestPublic).
SigningKeys(material.keyRingTestPrivate).
SigningContext(NewSigningContext(testContext, false)).
New()
decHandle, _ := material.pgp.Decryption().
DecryptionKeys(material.keyRingTestPrivate).
VerificationKeys(material.keyRingTestPublic).
New()
testVerificationSuccess(t, encHandle, decHandle)
})
}
}
func TestDecryptVerifyNoCriticalContextVerify(t *testing.T) {
for _, material := range testMaterialForProfiles {
t.Run(material.profileName, func(t *testing.T) {
encHandle, _ := material.pgp.Encryption().
Recipients(material.keyRingTestPublic).
SigningKeys(material.keyRingTestPrivate).
New()
decHandle, _ := material.pgp.Decryption().
DecryptionKeys(material.keyRingTestPrivate).
VerificationKeys(material.keyRingTestPublic).
VerificationContext(NewVerificationContext(testContext, false, 0)).
New()
testVerificationSuccess(t, encHandle, decHandle)
})
}
}
func testVerificationFails(
t *testing.T,
encHandle PGPEncryption,
decHandle PGPDecryption,
failure string,
) {
pgpMessage, err := encHandle.Encrypt([]byte(testMessage))
if err != nil {
t.Fatal(err)
}
verifyResult, err := decHandle.Decrypt(pgpMessage.Bytes(), Bytes)
if err != nil {
t.Fatal(err)
}
if verifyResult.SignatureError() == nil {
t.Fatal(failure)
}
}
func testVerificationSuccess(
t *testing.T,
encHandle PGPEncryption,
decHandle PGPDecryption,
) {
pgpMessage, err := encHandle.Encrypt([]byte(testMessage))
if err != nil {
t.Fatal(err)
}
verifyResult, err := decHandle.Decrypt(pgpMessage.Bytes(), Bytes)
if err != nil {
t.Fatal(err)
}
if verifyResult.SignatureError() != nil {
t.Fatal("Expected no signature failure")
}
}
|
